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Finding the Fourth Proportional to 553,277.80, 829,916.70 and 524,409.40

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Solution

The fourth proportional to 553,277.80, 829,916.70 and 524,409.40 is: 786,614.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,277.80 : 829,916.70 = 524,409.40 : x
  2. Step 2: Convert to fraction form
    553,277.80/829,916.70 = 524,409.40/x
  3. Step 3: Cross multiply
    553,277.80x = 829,916.70 × 524,409.40
  4. Step 4: Simplify right side
    553,277.80x = 435,216,118,696.98
  5. Step 5: Solve for x
    x = 435,216,118,696.98/553,277.80
  6. Step 6: Final answer
    x = 786,614.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.