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Finding the Fourth Proportional to 623,434.80, 933,769.80 and 249,265.20

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Solution

The fourth proportional to 623,434.80, 933,769.80 and 249,265.20 is: 373,345.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,434.80 : 933,769.80 = 249,265.20 : x
  2. Step 2: Convert to fraction form
    623,434.80/933,769.80 = 249,265.20/x
  3. Step 3: Cross multiply
    623,434.80x = 933,769.80 × 249,265.20
  4. Step 4: Simplify right side
    623,434.80x = 232,756,315,950.96
  5. Step 5: Solve for x
    x = 232,756,315,950.96/623,434.80
  6. Step 6: Final answer
    x = 373,345.08

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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.