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Finding the Fourth Proportional to 623,880.30, 935,359.65 and 249,710.70

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Solution

The fourth proportional to 623,880.30, 935,359.65 and 249,710.70 is: 374,381.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,880.30 : 935,359.65 = 249,710.70 : x
  2. Step 2: Convert to fraction form
    623,880.30/935,359.65 = 249,710.70/x
  3. Step 3: Cross multiply
    623,880.30x = 935,359.65 × 249,710.70
  4. Step 4: Simplify right side
    623,880.30x = 233,569,312,953.26
  5. Step 5: Solve for x
    x = 233,569,312,953.26/623,880.30
  6. Step 6: Final answer
    x = 374,381.61

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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.